Solve the problem.Standing 16 feet from a streetlight, a 7-foot-tall tree casts a 4-foot shadow. How tall is the streetlight?
A. 35 ft
B. 42 ft
C. 28 ft
D. 21 ft
Answer: A
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Find the Social Security tax and Medicare tax on the annual gross income of a self-employed individual. For a self-employed person, the FICA rate is 12.4% and the Medicare rate is 2.9%. Round to the nearest cent if needed.John Rosar, framer, earned $34,503.87
A. $4,278.48, $1,000.61 B. $2,139.24, $1,000.61 C. $2,139.24, $500.31 D. $4,178.48, $900.61
Solve.An airplane travels 400 miles against the wind in 4 hours, and makes the return trip with the same wind in 2 hours. Find the speed of the wind.
A. 200 mph B. 100 mph C. 50 mph D. 150 mph
Simplify. Combine like terms if possible.-9z - (-5z)
A. -14z B. -4z C. 4z D. -4z2
Classify the absolute value inequality as ? Having a single interval containing its solutions, but not the entire set of real numbers? Having the union of two disjoint intervals containing its solutions? Being a contradiction with no solution? Being an identity with the set of all real numbers as its solution set
- 11 ? 7
A. identity B. union of two intervals C. single interval D. contradiction